Ladle-car.



No. 719,389. PATENTED JAN. 27, 1903.

R'. H. STEVENS.

LADLE GAR.

APPLICATION FILED AUG. 27, 1902.

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- No. 719,389. PATENTED JAN. 27, 1903.

R. H. STEVENS.

LADLE GAR.

APPLICATION FILED AUG. 27, 1902.

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No. 719,389. PATENTBD JAN. 27, 1903. R. H. STEVENS.

LADLE GAR.

APPLICATION FILED AUG. 27, 1902.

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PATENTED'JAN. 27, 1903.

11. H. STEVENS.

LADLE GAR. APPLICATION FILED AUG. 2'], 1902.

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LA 0 L E m R SPECIFICATION forming part of Letters Patent No. 719,389,dated January '7, 1903- Application filed August 2'7, 1902. Serial No.121.221- (No model.)

To all whom it may concern:

Be it known that 1, RICHARD H. STEVENS, of Munhall, Allegheny county,Pennsylvania, have invented a new and useful Ladle- Oar, of which thefollowing is a full, clear, and exact description, reference being hadto the accompanying drawings, forming part of this specification, inwhich Figure 1 is a side elevation showing a cinder-car arranged inaccordance with my in- Vention. Fig. 2 is an end View of same. Fig. 3 isa partial side elevation of an iron ladle-car'of a modified form of myinvention applied thereto, and Fig. 4 is an end view of the ironladle-car with another form of my invention applied thereto. Fig. 5 isadetail view of the operating-Wheel, showing another modification.

My invention relates to the class of rolling and tilting ladle-carswherein the ladle is carried upon end rollers or wheels and the tiltingis accomplished by means of a rack engaging teeth on a wheel secured tothe ladle-trunnion.

My invention is designed to provide a single wheel with teeth allarranged in the same plane at an angle to the axis and engaged both bythe worm and by the rack. The teeth may be either similar throughout thecircumference and arranged at a suitable angle to receive the worm orthe teeth through a portion of its circumference may be shaped toreceive the worm,while the teeth in the other part of the circumferenceare shaped to engage the rack.

Referring to the form of Figs. 1 and 2, 2 represents a cinder-ladlesupported in a ringshaped casting 3, having oppositely-project: ingsupporting-trunnions 4,which are rigidly secured to thesupporting-wheels 5. These wheels travel upon suitable tracks 6 6,whichare supported upon the frame 7 of the car, and each of thesupporting-wheels is provided with an annular wheel or rim portion 8,and one of said wheels is provided with ordinary gear-teeth,which engagerack 9. The wheel 8 at one end is of the ordinary type, while that atthe other end is provided with inclined straight-faced gear-teeththrough a portion of its circumference, preferably about two hundred andforty degrees, which engage inclined rack-teeth 9",while the remainingportion of its circumference of about one hundred and twenty degrees isprovided with concave worm-teeth of the usual type. This worm-toothportion is so arranged that its central part is at the top of the wheelwhen the ladle is in vertical position, and a worm 10, mounted upon ashaft 11, engages the worm-teeth in the ordinary manner. The worm-shafthas the ordinary gear connections with a hand-wheel 12, by which theladle may be tilted in either direction at the will of the operator.Both of the racks 9 9 extend across the car and preferably at rightangles to the tracks. The car is used in the ordinary manner, thetipping being accomplished by turning the worm-shaft through theconnection to the hand-wheels, and as the worm-teeth engage and turn thewheel 8 the inclined rack-teeth upon this wheel engagesimilarly-inclined teeth in the rack and cause the ladle to roll andtilt.

In Fig. 3 I show the invention as applied to an iron ladle-car which isonly tipped in one direction. In this case the construction is much thesame as that of the cinder-car, similar parts being indicated withsimilar numerals with the letter a. In this case, however, theoperating-wheel 8" is provided with regular worm-teeth through about onehundred and eighty degrees of its circumference, while the remainder ofthe circumference is provided with spur-teeth which engage the rack andare inclined to the axis of the ladle. The teeth are so arranged on thiswheel that when the ladle is in vertical position the worm is engagingone end portion of the worm-teeth and the rack is similarly engaging theend portion of the inclined spurteeth. Then the hand-wheel is rotated,the wheel 3 is turned in the direction of the arrow.

In Fig. 5 I show another form of the invention,wherein the wheel 8 isprovided throughout its circumference with straight faced spur-teeth,which are, however, set at such an angle as to suit the worm engagingthe upper teeth. The rack in this case is provided with straight-facedteeth at an angle to the axis similar to those of the wheel.

The advantages of my invention are that the trunnion is shortened andthe car simplified and made lighter.

I claiin 1. A ladle-oar having a rolling and tilting ladle, and anoperating-wheel therefor having its teeth at an angle to the axis of theladle, a rack engaging said teeth, and having its teeth at acorresponding angle, and an operating-worm also engaging the teeth ofsaid wheel; substantially as described.

2. A ladle-ear having a rolling and tilting ladle, an operating-wheeltherefor having two sets of teeth lying in the same general plane, arack engaging one set of teeth, and a worm engaging the other set, therack-teeth being at an angle to the axis of the ladle; substantially asdescribed.

3. A ladle-ear having a rolling and tilting ladle, an operating Wheeltherefor having rack-teeth in its lower portion, and wormteeth in itsupper portion, a rack engaging the lower rack-teeth and having teeth atan angle to the axis of the ladle, and an operating-Worm engaging theupper Worm -teeth; substantially as described.

In testimony whereof I have hereunto set my hand.

RICHARD H. STEVENS.

Witnesses:

A. W. SODENBERG, WM. BAILEY MOOREERY.

